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Question

An electron has no initial velocity in a direction different from that of an electric field. The path of the electron is :

A
a straight line
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B
a circle
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C
a parabola
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D
an ellipse
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Solution

The correct option is A a straight line
Electric field will accelerate this electron in the direction of field.
If velocity and acceleration is in the same direction then path follow by the particle will be a straight line.

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